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v3.19.3

Equity and Stock-Based Compensation - Summary of Stock Options Outstanding and Exercisable (Details) - $ / shares | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2016
Options Outstanding |  |  |  |
Number Outstanding | 1,068,665 |  |  |
Stock Options |  |  |  |
Options Outstanding |  |  |  |
Number Outstanding | 1,068,665 | 1,248,758 | 1,560,441 | 1,841,567
Remaining Contractual Life | 4 years 10 months 13 days |  |  |
Weighted Average Exercise Price Per Share | $ 7.04 | $ 7.69 | $ 7.95 | $ 8.15
Options Exercisable |  |  |  |
Number Exercisable | 842,083 | 1,014,300 | 1,055,865 |
Weighted Average Exercise Price Per Share | $ 7.45 | $ 7.93 | $ 8.58 |
Stock Options | 2.95-4.85 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 2.95 |  |  |
Range of Exercise Prices, Upper limit | $ 4.85 |  |  |
Number Outstanding | 116,430 |  |  |
Remaining Contractual Life | 6 years 2 months 19 days |  |  |
Weighted Average Exercise Price Per Share | $ 3.95 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 45,750 |  |  |
Weighted Average Exercise Price Per Share | $ 5.00 |  |  |
Stock Options | 4.87-5.07 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 4.87 |  |  |
Range of Exercise Prices, Upper limit | $ 5.07 |  |  |
Number Outstanding | 60,750 |  |  |
Remaining Contractual Life | 6 years 11 months 8 days |  |  |
Weighted Average Exercise Price Per Share | $ 5.02 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 91,430 |  |  |
Weighted Average Exercise Price Per Share | $ 3.73 |  |  |
Stock Options | 5.25-5.25 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 5.25 |  |  |
Range of Exercise Prices, Upper limit | $ 5.25 |  |  |
Number Outstanding | 168,674 |  |  |
Remaining Contractual Life | 4 years 1 month 13 days |  |  |
Weighted Average Exercise Price Per Share | $ 5.25 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 147,424 |  |  |
Weighted Average Exercise Price Per Share | $ 5.25 |  |  |
Stock Options | 5.40-5.40 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 5.40 |  |  |
Range of Exercise Prices, Upper limit | $ 5.40 |  |  |
Number Outstanding | 6,000 |  |  |
Remaining Contractual Life | 6 years 3 months 14 days |  |  |
Weighted Average Exercise Price Per Share | $ 5.40 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 6,000 |  |  |
Weighted Average Exercise Price Per Share | $ 5.40 |  |  |
Stock Options | 5.52-5.52 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 5.52 |  |  |
Range of Exercise Prices, Upper limit | $ 5.52 |  |  |
Number Outstanding | 152,000 |  |  |
Remaining Contractual Life | 9 years 1 month 28 days |  |  |
Weighted Average Exercise Price Per Share | $ 5.52 |  |  |
Stock Options | 5.75-6.15 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 5.75 |  |  |
Range of Exercise Prices, Upper limit | $ 6.15 |  |  |
Number Outstanding | 68,469 |  |  |
Remaining Contractual Life | 3 years 6 months |  |  |
Weighted Average Exercise Price Per Share | $ 5.96 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 68,469 |  |  |
Weighted Average Exercise Price Per Share | $ 5.96 |  |  |
Stock Options | 7.01-7.01 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 7.01 |  |  |
Range of Exercise Prices, Upper limit | $ 7.01 |  |  |
Number Outstanding | 133,250 |  |  |
Remaining Contractual Life | 2 years 8 months 19 days |  |  |
Weighted Average Exercise Price Per Share | $ 7.01 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 133,250 |  |  |
Weighted Average Exercise Price Per Share | $ 7.01 |  |  |
Stock Options | 7.15-7.98 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 7.15 |  |  |
Range of Exercise Prices, Upper limit | $ 7.98 |  |  |
Number Outstanding | 143,976 |  |  |
Remaining Contractual Life | 4 years 1 month 2 days |  |  |
Weighted Average Exercise Price Per Share | $ 7.75 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 130,644 |  |  |
Weighted Average Exercise Price Per Share | $ 7.79 |  |  |
Stock Options | 8.20-9.94 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 8.2 |  |  |
Range of Exercise Prices, Upper limit | $ 9.94 |  |  |
Number Outstanding | 18,428 |  |  |
Remaining Contractual Life | 2 years 7 months 2 days |  |  |
Weighted Average Exercise Price Per Share | $ 9.33 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 18,428 |  |  |
Weighted Average Exercise Price Per Share | $ 9.33 |  |  |
Stock Options | 9.98-22.26 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 9.98 |  |  |
Range of Exercise Prices, Upper limit | $ 22.26 |  |  |
Number Outstanding | 200,688 |  |  |
Remaining Contractual Life | 3 years 5 months 8 days |  |  |
Weighted Average Exercise Price Per Share | $ 11.79 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 200,688 |  |  |
Weighted Average Exercise Price Per Share | $ 11.79 |  |  |

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